Features conveniently positioned right-angle outlets, a flat 45° right angle plug that will not block other wall outlets, rotating outlet covers, a lighted on/off switch, an indicator light that shows unit is protecting, a ground indicator light anda heavy-duty 6 ft cord. Power shut down protection shuts off power to all outlets once the unit has reached its capacity to protect. UL clamping voltage 330 volt at 500 amp. Less than 1 nanosecond response time, 25 volt /15 amp circuit breaker overload protection. Surge energy rating 2145 joules. UL Listed.